ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/regex/config/borland.hpp b/include/ndnboost/regex/config/borland.hpp
new file mode 100644
index 0000000..6e202e1
--- /dev/null
+++ b/include/ndnboost/regex/config/borland.hpp
@@ -0,0 +1,72 @@
+/*
+ *
+ * Copyright (c) 1998-2002
+ * John Maddock
+ *
+ * Use, modification and distribution are subject to the 
+ * Boost Software License, Version 1.0. (See accompanying file 
+ * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ *
+ */
+ 
+ /*
+  *   LOCATION:    see http://www.boost.org for most recent version.
+  *   FILE         ndnboost/regex/config/borland.hpp
+  *   VERSION      see <ndnboost/version.hpp>
+  *   DESCRIPTION: regex borland-specific config setup.
+  */
+
+
+#if defined(__BORLANDC__)
+#  if (__BORLANDC__ == 0x550) || (__BORLANDC__ == 0x551)
+      // problems with std::basic_string and dll RTL:
+#     if defined(_RTLDLL) && defined(_RWSTD_COMPILE_INSTANTIATE)
+#        ifdef NDNBOOST_REGEX_BUILD_DLL
+#           error _RWSTD_COMPILE_INSTANTIATE must not be defined when building regex++ as a DLL
+#        else
+#           pragma message("Defining _RWSTD_COMPILE_INSTANTIATE when linking to the DLL version of the RTL may produce memory corruption problems in std::basic_string, as a result of separate versions of basic_string's static data in the RTL and you're exe/dll: be warned!!")
+#        endif
+#     endif
+#     ifndef _RTLDLL
+         // this is harmless for a staic link:
+#        define _RWSTD_COMPILE_INSTANTIATE
+#     endif
+      // external templates cause problems for some reason:
+#     define NDNBOOST_REGEX_NO_EXTERNAL_TEMPLATES
+#  endif
+#  if (__BORLANDC__ <= 0x540) && !defined(NDNBOOST_REGEX_NO_LIB) && !defined(_NO_VCL)
+      // C++ Builder 4 and earlier, we can't tell whether we should be using
+      // the VCL runtime or not, do a static link instead:
+#     define NDNBOOST_REGEX_STATIC_LINK
+#  endif
+   //
+   // VCL support:
+   // if we're building a console app then there can't be any VCL (can there?)
+#  if !defined(__CONSOLE__) && !defined(_NO_VCL)
+#     define NDNBOOST_REGEX_USE_VCL
+#  endif
+   //
+   // if this isn't Win32 then don't automatically select link
+   // libraries:
+   //
+#  ifndef _Windows
+#     ifndef NDNBOOST_REGEX_NO_LIB
+#        define NDNBOOST_REGEX_NO_LIB
+#     endif
+#     ifndef NDNBOOST_REGEX_STATIC_LINK
+#        define NDNBOOST_REGEX_STATIC_LINK
+#     endif
+#  endif
+
+#if __BORLANDC__ < 0x600
+//
+// string workarounds:
+//
+#include <cstring>
+#undef strcmp
+#undef strcpy
+#endif
+
+#endif
+
+